@charset "UTF-8";
.animation-normal {
    transition: left, top, width, height, font-size;
    transition-duration: .3s;
    transition-timing-function: ease-in
}

.zoom-enter-active {
    animation: zoom-in .25s
}

.zoom-leave-active {
    animation: zoom-in .25s reverse
}

@keyframes zoom-in {
    0% {
        opacity: 0;
        transform: scale3d(.3, .3, .3)
    }
    100% {
        opacity: 1;
        transform: scale3d(1, 1, 1)
    }
}

html {
    color: #333;
    background: #fff;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-rendering: optimizelegibility;
    -moz-osx-font-smoothing: grayscale;
    direction: ltr
}

article, aside, blockquote, body, button, code, dd, details, dl, dt, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hr, input, legend, li, menu, nav, ol, p, pre, section, td, textarea, th, ul {
    margin: 0;
    padding: 0;
    font-weight: 400
}

body, html {
    margin: 0;
    height: 100%
}

body {
    font: 12px/1.5 system, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, "PingFang SC", "Segoe UI", "Microsoft YaHei", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", Arial, sans-serif;
    word-wrap: break-word;
    word-break: break-word
}

strong {
    font-weight: 600
}

em {
    font-style: italic
}

p {
    line-height: 1.4em
}

dd img, li img, p img {
    vertical-align: middle
}

article, aside, details, figcaption, figure, footer, header, menu, nav, section {
    display: block
}

audio, canvas, video {
    display: inline-block;
    *display: inline;
    *zoom: 1
}

button, input, optgroup, option, select, textarea {
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit
}

button, input {
    *width: auto;
    *overflow: visible;
    line-height: normal
}

button::-moz-focus-inner, input::-moz-focus-inner {
    padding: 0;
    border: 0
}

button, input[type=button], input[type=submit] {
    cursor: pointer;
    -webkit-appearance: button
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

th {
    text-align: inherit
}

fieldset, img {
    border: 0
}

img {
    -ms-interpolation-mode: bicubic
}

iframe {
    display: block
}

blockquote, q {
    quotes: none
}

blockquote {
    position: relative;
    color: #999;
    font-weight: 300;
    font-family: Avenir, "Helvetica Neue", "Microsoft Yahei", "Hiragino Sans GB", "Microsoft Sans Serif", "WenQuanYi Micro Hei", sans-serif;
    border-left: 2px solid #b3b3b3;
    padding: 10px 0 10px 10px;
    margin: .8em 0
}

.nc-pre-block, pre {
    font-size: 14px;
    position: relative;
    border-left: 2px solid #1abc9c;
    padding: 10px 0 10px 10px;
    margin: .8em 0;
    background: #fafafa;
    word-break: break-word
}

abbr, acronym {
    border: none 0;
    font-variant: normal
}

del {
    text-decoration: line-through
}

address, caption, cite, code, dfn, th, var {
    font-style: normal;
    font-weight: 400
}

ol, ul {
    list-style: none
}

caption, th {
    text-align: left
}

q:after, q:before {
    content: ""
}

sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative
}

:root sub, :root sup {
    vertical-align: baseline
}

sup {
    top: -.5em
}

sub {
    bottom: -.25em
}

a, ins {
    text-decoration: none
}

mark {
    background: #fffdd1;
    border-bottom: 1px solid #ffedce;
    padding: 2px;
    margin: 0 5px
}

.nc-pre-block, code, pre {
    font-family: Courier, "Courier New", monospace;
    white-space: pre-wrap;
    word-wrap: break-word
}

hr {
    border: none;
    border-bottom: 1px solid #cfcfcf;
    margin-bottom: 10px;
    *color: pink;
    height: 10px;
    *margin: -7px 0 2px
}

figcaption, small {
    font-size: .9em;
    color: #888
}

blockquote {
    margin-bottom: 1.8em
}

::-moz-selection {
    background: #08c;
    color: #fff
}

::selection {
    background: #08c;
    color: #fff
}

caption, legend {
    color: #000;
    font-weight: inherit
}

input::-webkit-input-placeholder {
    color: #d7d7d7
}

input::-moz-placeholder {
    color: #d7d7d7
}

input:-ms-input-placeholder {
    color: #d7d7d7
}

textarea::-webkit-input-placeholder {
    color: #d7d7d7
}

textarea::-moz-placeholder {
    color: #d7d7d7
}

textarea:-ms-input-placeholder {
    color: #d7d7d7
}

a {
    color: #333
}

a:link, a:visited {
    text-decoration: none
}

a:hover {
    color: #25bb9b
}

.clearfix {
    display: block;
    zoom: 1
}

.clearfix:after, .clearfix:before {
    clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden
}

.nk-body {
    overflow: hidden!important
}

.nk-container {
    background: #f7f8f9;
    position: relative;
    height: auto;
    min-height: 100%
}

.nk-main {
    padding-top: 70px;
    padding-bottom: 250px;
    margin: 0 auto;
    width: 1000px
}

.email-validate {
    top: 54px
}

.with-validate .nk-main, .with-validate .search-outside {
    padding-top: 100px
}

.nk-content {
    float: left;
    width: 690px;
    margin: 0 10px 0 0
}

.nk-bar {
    width: 300px;
    float: left
}

.nk-bar .show-all-book {
    width: 100%;
    display: block;
    background: #eee;
    font-size: 12px;
    text-align: center;
    padding: 3px 0
}

.module-box.no-padding .module-body, .module-box.no-padding .module-head {
    padding-left: 0;
    padding-right: 0
}

.module-box {
    margin-bottom: 10px;
    background: #fff
}

.module-box:last-child {
    margin-bottom: 0
}

.module-head {
    padding: 15px 20px 0;
    line-height: normal;
    position: relative
}

.module-head-tips {
    color: #888;
    margin-left: 15px;
    font-size: 14px
}

.module-head-oprt {
    float: right
}

.module-head-oprt .btn.btn-primary {
    margin-top: -10px
}

.module-head h1, .module-head h2 {
    font-size: 16px;
    line-height: 16px;
    float: left;
    font-weight: 600;
    white-space: nowrap
}

.module-head h1:before, .module-head h2:before {
    background: #ff6547;
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 5px;
    margin-bottom: 2px;
    vertical-align: middle
}

.module-head h2 {
    font-size: 16px
}

.module-body {
    padding: 20px
}

.mod-ft:after {
    clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden
}

.mft-origin {
    float: left
}

.mft-legend {
    float: right
}

.mft-time {
    color: #999;
    margin: 0 10px
}

.mft-pipe {
    color: #aaa;
    margin: 0 3px
}

.with-sub-oprt {
    cursor: pointer;
    position: relative;
    font-size: 14px;
    line-height: 1;
    text-align: right
}

.with-sub-oprt>span {
    padding-bottom: 4px;
    margin-bottom: -4px;
    display: inline-block;
    vertical-align: middle;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    word-wrap: normal;
    max-width: 5em
}

.with-sub-oprt ul {
    display: none;
    border: 1px solid #e1e1e1;
    position: absolute;
    right: 0;
    top: 20px;
    z-index: 99
}

.with-sub-oprt li {
    background: #fff;
    padding: 6px 20px;
    line-height: 20px;
    white-space: nowrap;
    display: block;
    margin: 0
}

.with-sub-oprt li:hover {
    background: #f4f4f4
}

.with-sub-oprt:hover ul {
    display: block
}

.with-sub-oprt:hover .icon-angle-up {
    color: #0fc0a1
}

.with-sub-oprt .icon-angle-up, .with-sub-oprt:hover .icon-angle-down {
    display: none
}

.with-sub-oprt .icon-angle-down, .with-sub-oprt:hover .icon-angle-up {
    display: inline-block;
    color: #888
}

.empty-tip-mod {
    text-align: center;
    font-size: 14px;
    padding: 50px 0
}

.empty-tip-mod p {
    margin-top: 5px
}

.empty-tip-mod .btn-group {
    width: 370px;
    margin-top: 10px
}

.ico-add, .ico-back, .ico-boy, .ico-del, .ico-edit, .ico-edu, .ico-girl, .ico-info, .ico-items, .ico-lbs, .ico-letter, .ico-return, .ico-self, .ico-submit, .ico-upload, .ico-upload2, .ico-work {
    display: inline-block;
    *zoom: 1;
    vertical-align: middle;
    background: url(https://static.nowcoder.com/fe/style/images/common/img/icons/ui-ico.png) -9999px -9999px no-repeat
}

.ico-back {
    width: 20px;
    height: 18px;
    background-position: 0 0
}

.ico-del {
    width: 20px;
    height: 20px;
    background-position: -30px 0
}

.ico-edit {
    width: 13px;
    height: 16px;
    background-position: -60px 0
}

.ico-items {
    width: 20px;
    height: 18px;
    background-position: -83px 0
}

.ico-letter {
    width: 24px;
    height: 17px;
    background-position: -113px 0
}

.ico-return {
    width: 16px;
    height: 15px;
    background-position: -147px 0
}

.ico-self {
    width: 20px;
    height: 19px;
    background-position: -173px 0
}

.ico-submit {
    width: 11px;
    height: 11px;
    background-position: -203px 0
}

.ico-upload {
    width: 11px;
    height: 11px;
    background-position: -224px 0
}

.ico-upload2 {
    width: 18px;
    height: 18px;
    background-position: -245px 0
}

.ico-work {
    width: 11px;
    height: 10px;
    background-position: -273px 0
}

.ico-boy {
    width: 15px;
    height: 15px;
    background-position: -294px 0
}

.ico-info {
    width: 10px;
    height: 13px;
    background-position: -319px 0
}

.ico-lbs {
    width: 12px;
    height: 12px;
    background-position: -339px 0
}

.ico-girl {
    width: 10px;
    height: 17px;
    background-position: -361px 0
}

.ico-edu {
    width: 14px;
    height: 11px;
    background-position: -381px 0
}

.ico-add {
    width: 16px;
    height: 16px;
    background-position: -404px 0
}

button, input {
    *overflow: visible
}

button::-moz-focus-inner, input::-moz-focus-inner {
    padding: 0;
    border: 0
}

button, input[type=button], input[type=submit] {
    cursor: pointer;
    -webkit-appearance: button
}

.btn {
    display: inline-block;
    text-align: center;
    padding: 10px 0;
    width: 110px;
    color: #fff;
    font-size: 14px;
    border-radius: 3px;
    border: none 0;
    cursor: pointer;
    line-height: normal;
    outline: 0;
    white-space: nowrap
}

.btn:hover {
    color: #fff
}

.btn i {
    margin-right: 5px
}

.btn.btn-radius {
    border-radius: 20px
}

.btn-primary {
    background: #25bb9b
}

 .btn-primary:hover {
    background: #22ae90
}

.uneditable-input, input[type=email], input[type=password], input[type=text], textarea {
    border: 1px solid #ddd;
    color: #34495e;
    font-family: Lato, sans-serif;
    font-size: 14px;
    padding: 8px 5px 7px;
    width: 248px;
    height: 22px;
    border-radius: 3px;
    outline: 0
}

.control-group.focus .uneditable-input, .control-group.focus input[type=email], .control-group.focus input[type=password], .control-group.focus input[type=text], .control-group.focus textarea, .uneditable-input:focus, input[type=email]:focus, input[type=password]:focus, input[type=text]:focus, textarea:focus {
    border-color: #999
}

.control-group.error .uneditable-input, .control-group.error input[type=email], .control-group.error input[type=password], .control-group.error input[type=text], .control-group.error textarea, input[type=text].error-tips, textarea.error-tips {
    border-color: #e74c3c;
    color: #e74c3c
}

.control-group.success .uneditable-input, .control-group.success input[type=email], .control-group.success input[type=password], .control-group.success input[type=text], .control-group.success textarea {
    border-color: #2ecc71;
    color: #2ecc71
}

input[disabled], textarea[disabled] {
    background-color: #eee;
    border-color: #eee;
    color: #999;
    cursor: default
}

input[readonly], textarea[readonly] {
    border-color: #eee;
    cursor: default
}

.form-group {
    margin-bottom: 20px
}

.form-group:after, .form-group:before {
    clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden
}

.form-group .control-group {
    float: left
}

.form-group .btn-group {
    width: 260px;
    margin-bottom: 20px
}

.control-label {
    padding: 0 15px;
    font-size: 14px;
    float: left;
    width: 80px;
    line-height: 42px;
    height: 42px;
    text-align: right;
    margin-bottom: 0
}

.hide-label .control-label {
    display: none
}

.control-group {
    position: relative;
    width: 260px
}

.control-group>.input-icon {
    position: absolute;
    top: 9px;
    right: 5px;
    vertical-align: middle;
    font-size: 20px;
    background: #fff;
    border-radius: 6px;
    line-height: 20px;
    display: none
}

.input-icon.fui-cross {
    background: #ff5400;
    color: #fff;
    font-size: 12px;
    border-radius: 20px;
    width: 20px;
    height: 20px;
    line-height: 20px;
    text-align: center
}

.input-icon.fui-check-inverted {
    color: #25bb9b;
    display: none
}

.error .fui-cross, .error .input-tip, .focus .input-tip, .success .fui-check-inverted {
    display: block
}

.input-tip {
    position: absolute;
    left: 0;
    bottom: -16px;
    display: none;
    font-size: 14px;
    line-height: 14px
}

.input-group-btn {
    font-size: 0;
    position: relative;
    white-space: nowrap
}

.input-group-btn>.btn {
    border-bottom-left-radius: 0;
    border-top-left-radius: 0;
    margin-left: -3px;
    padding: 0 15px;
    height: 40px;
    line-height: 40px
}

.search-input-wrap {
    border: 1px solid #ddd;
    height: 38px;
    line-height: 38px;
    position: relative;
    width: 260px;
    background: #fff;
    display: inline-block
}

.search-input-wrap input {
    border: none;
    margin-left: 36px;
    width: 80%
}

.search-input-wrap.no-search-icon input {
    margin: 0;
    width: 90%
}

.search-input-wrap .ico-search {
    background: url(https://static.nowcoder.com/fe/style/images/common/img/icons/ico-search.png) center center no-repeat;
    position: absolute;
    left: 1px;
    top: 1px;
    width: 36px;
    height: 36px
}

.search-input-wrap .icon-search {
    position: absolute;
    left: 1px;
    top: 1px;
    text-align: center;
    width: 36px;
    height: 36px;
    line-height: 36px;
    font-size: 16px;
    color: #aaa
}

.pagination {
    position: relative;
    text-align: center;
    white-space: nowrap;
    margin: 20px 0 0;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: -4px
}

.pagination li {
    letter-spacing: 0;
    margin-right: 5px;
    vertical-align: top;
    display: inline-block;
    *zoom: 1;
    *display: inline
}

.pagination li:last-child {
    margin-right: 0
}

.pagination li.active>a, .pagination li.active>span {
    background: #25bb9b;
    color: #fff
}

.pagination a:hover {
    background: #25bb9b;
    color: #fff
}

.pagination .txt-pager a {
    width: auto;
    padding: 0 10px
}

.pagination .disabled a, .pagination .disabled a:hover {
    color: #bbb;
    border-color: #ddd;
    background: #fff;
    cursor: not-allowed
}

.ellipsis-pager, .pagination a {
    display: block;
    width: 30px;
    height: 30px;
    border: 1px solid #25bb9b;
    color: #25bb9b;
    text-align: center;
    line-height: 30px
}

 .ellipsis-pager {
    border: none;
    font-size: 18px
}

.menu-box .menu-oprtbar, .menu-txt-box .menu-oprtbar {
    float: right
}

.menu-box:after, .menu-txt-box:after {
    clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden
}

.menu-box {
    background: #fff;
    border-bottom: 2px solid #25bb9b;
    border-top: none
}

.menu-box .checkbox {
    float: right;
    margin: 10px 10px 0 0
}

.menu-box .btn, .menu-box .btn-group {
    margin: 1px 10px 0 0
}

.menu-box .btn-group .btn {
    margin-top: 0
}

.menu-box .menu-oprtbar .btn-group {
    margin: 8px 0 0
}

.menu-txt-box {
    padding: 10px;
    font-size: 14px
}

.menu, .menu-txt {
    float: left;
    letter-spacing: -4px;
    white-space: nowrap
}

.menu li, .menu-txt li {
    letter-spacing: 0;
    display: inline-block;
    *display: inline;
    *zoom: 1;
    margin-right: 1px;
    position: relative
}

.menu li .nowcoder-name {
    vertical-align: bottom
}

.menu li a {
    display: block;
    padding: 0 20px;
    height: 42px;
    line-height: 42px;
    font-size: 14px;
    text-align: center;
    color: #333;
    white-space: nowrap
}

.menu li a:hover {
    background: #25bb9b;
    text-decoration: none;
    color: #fff
}

.menu li.menu-index a {
    width: 80px
}

.menu li.menu-sub {
    position: relative
}

.menu li:hover .sub-menu {
    background: #25bb9b;
    color: #fff;
    box-shadow: 0 1px 3px #ccc
}

.menu li.selected, .menu li.selected .sub-menu, .menu li.selected a, .menu li.selected a:hover {
    background: #25bb9b;
    color: #fff
}

.stars, .stars-all, .stars-big, .stars-choose, .stars-new, .stars-sm {
    display: inline-block;
    vertical-align: middle;
    width: 117px;
    height: 17px;
    background: url(https://static.nowcoder.com/fe/style/images/common/img/star/stars-new2.png) no-repeat
}

/* .difficulty .stars-big {
    width: 300px;
    height: 45px;
    background: url(https://static.nowcoder.com/fe/style/images/common/img/star/stars-big.png) no-repeat
}

.stars-choose {
    background: url(https://static.nowcoder.com/fe/style/images/common/img/star/stars.png) no-repeat;
    vertical-align: top;
    cursor: pointer
}

.stars-big {
    width: 300px;
    vertical-align: middle;
    height: 45px;
    background: url(https://static.nowcoder.com/fe/style/images/common/img/star/stars-big.png) no-repeat;
    cursor: pointer
} */

.stars-big.star-1 {
    background-position: 0 -45px
}

.stars-big.star-2 {
    background-position: 0 -90px
}

.stars-big.star-3 {
    background-position: 0 -135px
}

.stars-big.star-4 {
    background-position: 0 -180px
}

.stars-big.star-5 {
    background-position: 0 -225px
}

.star-0 {
    background-position: 0 0
}

.star-1 {
    background-position: 0 -27px
}

.star-2 {
    background-position: 0 -54px
}

.star-3 {
    background-position: 0 -81px
}

.star-4 {
    background-position: 0 -108px
}

.star-5 {
    background-position: 0 -135px
}

